成功的LV顶部切除:用半正常的盐水和前部补丁消除腹腔内节律
Chutimon Junkrasien1, Takato Mohri1, Akiko Ueda1
1Department of Cardiovascular Medicine, Kyorin University, Tokyo, Japan.
JACC. Case reports
|December 5, 2025
概括
对于左心室 (LV) 顶部心律失常的导管切除可能具有挑战性. 新的技术,如半正常的盐水灌和贴片辅助除,为复杂的病例提供了有效的解决方案.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医疗器械 医疗器械
背景情况:
- 来自左心室 (LV) 顶部的心律失常,由于解剖难以接近,对导管切除提出了重大挑战.
- 靠近冠状动脉等关键结构进一步使这些程序复杂化.
研究的目的:
- 报告一例成功的导管切除病例,原因是来自LV峰的加快性内节律.
- 为了突出辅助技术在LV顶部切除过程中克服解剖障碍的有效性.
主要方法:
- 一名43岁的男性患者患有复发性心律失常引起的心肌病症和加快的内心心节律被治疗.
- 从LV外流通道和左冠状动脉顶部的初始导管切除没有成功.
- 通过半正常的盐水灌与前部分散性补丁相结合,实现了成功的切除.
主要成果:
- 通过修改的废弃策略,成功消除了加速的内节律.
- 在QRS复合体之前最早的激活在前腔室间静脉中被确定.
结论:
- 辅助方法,特别是半正常的盐水灌和前部补丁辅助切除,可以克服LV顶部切除的解剖学限制.
- 先进的射频除策略可以为复杂的LV顶部心律失常提供安全有效的治疗,可能减少对更具侵入性的干预措施的需求.
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